A) to avoid eye strain B) only if you don't have glasses C) any time chemicals, heat, or sediments are used to protect your eyes D) to improve vision
A) try several methods until something works B) ask the teacher before you start C) figure it out as you do the lab D) skip it and go to the next part
A) left at your table for the next class B) taken home C) dumped into the sink D) disposed of according to your teacher's directions
A) see a doctor after school B) visit the school nurse after class C) tell the teacher at once D) apply first aid yourself
A) read all directions carefully to know what equipment is needed B) examine all glassware to check for chips or cracks C) clean any glassware that looks dirty D) All of these
A) slippers B) sandals C) open-toed shoes D) closed-toed shoes
A) okay if you are working alone B) Ok C) not dangerous D) always against the rules
A) your lab partners B) your best friend in class C) the custodian D) your teacher
A) wiping your hands B) when you are wearing your best clothes C) others to put away D) the protection of you and your clothing
A) waft the odor toward you B) use a fan C) nhale deeply D) pour it on the table
A) Clear off your table of books, food, and drinks B) read all the directions C) Ask the teacher about any questions you have D) all of these
A) fire extinguisher B) all of these C) fire blanket D) classroom door B) fire extinguisher
A) wipe your hands with a paper towel B) wash your hands with soap and water C) treat your hands with skin lotion D) ipe your hands on your clothes
A) Wash your hands and tell the teacher B) try to figure out what the sticky substance is C) wipe your hands on a classmate D) wipe your hands on your pants
A) gloves B) Lab coat C) Safety glasses D) sun glasses
A) gotten a hair cut before class today B) skipped the lab C) worn a hat today D) put her hair up in a rubber band
A) the fire extinguisher B) The fire blanket C) Your coat D) Water from the sink
A) while you are working B) before you start C) After school D) Next week
A) throw them in the trash B) follow the instructions of your teacher C) burn them in a burner D) wash them down the sink
A) your hands should be dry B) your hand must be wet C) ask the custodian D) ask the nurse.
A) toward you and others B) away from you and others C) toward you and away from others D) away from you and toward others
A) let the teacher pour them B) pour water into acid C) pour them at the same time D) pour acid into water
A) False B) true
A) true B) false
A) true B) false |